Summer of 2020, when we had so many storms come through that I lost count of how many we actually had, I didn't close my coop up for hurricanes. I left the pop door open, let them decide what to do, and saw them out foraging between rain bands.
I am, however, pretty sure that the winds were...
It's a 4x4, like my Little Monitor Coop, so 4 adult, standard-size hens.
For a while I had 5 in that coop -- who all grew up together and who had constant access to a vastly-oversized run. But two of them slept on the floor and I'm sure there would have been trouble had I ever had to shut them in.